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Battery Installation
When the device report the low battery message. The user should
replace the battery to new one. The battery type is CR123A, 3.0V.
The way to open the front cover please follow below steps.
1. Using a tool to press the 1-1 position, to release the cover.
2. Hold the front cover and pull back
3. Hold the front cover and pull up
Replace the new battery and install the cover back.
1. Put the front cover bottom to 1-1, and press down.
2. Push the front cover top to 2-1.
Choosing a Suitable Location
1. The recommended mounting height is 160cm
2. Don't let the device facing the window or the sunlight.
3. Don't let the device facing the source of heat. For instance the
heater or the air-condition.
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